Harris & Harris Second-Quarter 2011 Conference Call Reminder

A replay via telephone will be available beginning at1:00 PM on August 12, 2011 through midnight August 19, 2011.To access the replay, please dial706-645-9291 and enter passcode #85667735.

You may also listen to a live webcast of the call at www.HHVC.com. To listen,please click on the webcast link in the Investor Information column on thewebsite home page at least ten minutes early to download and installany necessary software.

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About Harris & Harris GroupHarris & Harris Group is a publicly traded venture capital company that invests in nanotechnology and microsystems.

This press release may contain statements of a forward-looking nature relating to future events. These forward-looking statements are subject to the inherent uncertainties in predicting future results and conditions. These statements reflect the Company's current beliefs, and a number of important factors could cause actual results to differ materially from those expressed in this press release. Please see the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2010, as well as subsequent filings, filed with the Securities and Exchange Commission for a more detailed discussion of the risks and uncertainties associated with the Company's business, including but not limited to, the risks and uncertainties associated with venture capital investing and other significant factors that could affect the Company's actual results. Except as otherwise required by Federal securities laws, the Company undertakes no obligation to update or revise these forward-looking statements to reflect new events or uncertainties. The reference to the website www.HHVC.com has been provided as a convenience, and the information contained on such website is not incorporated by reference into this press release.